// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "remoting/host/linux/unicode_to_keysym.h"

#include <stddef.h>
#include <stdint.h>

#include <algorithm>

#include "base/cxx17_backports.h"
#include "testing/gtest/include/gtest/gtest.h"

namespace remoting {

TEST(GetKeySymsForUnicode, Map) {
  const static struct Test {
    uint32_t code_point;
    uint32_t expected_keysyms[4];
  } kTests[] = {
    { 0x0040, { 0x0040, 0x01000040, 0 } },
    { 0x00b0, { 0x00b0, 0x010000b0, 0 } },
    { 0x0100, { 0x03c0, 0x01000100, 0 } },
    { 0x038e, { 0x07a8, 0x0100038e, 0 } },
    { 0x22a3, { 0x0bdc, 0x010022a3, 0 } },
    { 0x30bd, { 0x04bf, 0x010030bd, 0 } },
    { 0x3171, { 0x0ef0, 0x01003171, 0 } },
    { 0x318e, { 0x0ef7, 0x0100318e, 0 } },

    // Characters with 3 distinct keysyms.
    { 0x0030, { 0x0030, 0xffb0, 0x01000030, 0 } },
    { 0x005f, { 0x005f, 0x0bc6, 0x0100005f, 0 } },

    // Characters for which there are no regular keysyms.
    { 0x4444, { 0x01004444, 0 } },
  };

  for (size_t i = 0; i < base::size(kTests); ++i) {
    std::vector<uint32_t> keysyms = GetKeySymsForUnicode(kTests[i].code_point);

    std::vector<uint32_t> expected(
        kTests[i].expected_keysyms,
        std::find(
            kTests[i].expected_keysyms, kTests[i].expected_keysyms + 4, 0));
    EXPECT_EQ(expected, keysyms);
  }
}

}  // namespace remoting
